tests/cmocka/test_ifp.c

	test_ifp.c revision 3660f49f81e4db07be66fe0887af9d62065f1f2c
/*
    Authors:
        Jakub Hrozek <jhrozek@redhat.com>

    Copyright (C) 2013 Red Hat

    SSSD tests: InfoPipe responder

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include <popt.h>

#include "db/sysdb.h"
#include "tests/cmocka/common_mock.h"
#include "tests/cmocka/common_mock_resp.h"
#include "responder/ifp/ifp_private.h"
#include "sbus/sssd_dbus_private.h"

static struct ifp_ctx *
mock_ifp_ctx(TALLOC_CTX *mem_ctx)
{
    struct ifp_ctx *ifp_ctx;

    ifp_ctx = talloc_zero(mem_ctx, struct ifp_ctx);
    assert_non_null(ifp_ctx);

    ifp_ctx->rctx = mock_rctx(ifp_ctx, NULL, NULL, NULL);
    assert_non_null(ifp_ctx->rctx);

    ifp_ctx->rctx->allowed_uids = talloc_array(ifp_ctx->rctx, uint32_t, 1);
    assert_non_null(ifp_ctx->rctx->allowed_uids);
    ifp_ctx->rctx->allowed_uids[0] = geteuid();
    ifp_ctx->rctx->allowed_uids_count = 1;

    ifp_ctx->sysbus = talloc_zero(ifp_ctx, struct sysbus_ctx);
    assert_non_null(ifp_ctx->sysbus);

    ifp_ctx->sysbus->conn = talloc_zero(ifp_ctx, struct sbus_connection);
    assert_non_null(ifp_ctx->sysbus->conn);

    return ifp_ctx;
}

static struct sbus_request *
mock_sbus_request(TALLOC_CTX *mem_ctx, uid_t client)
{
    struct sbus_request *sr;

    sr = talloc_zero(mem_ctx, struct sbus_request);
    assert_non_null(sr);

    sr->conn = talloc_zero(sr, struct sbus_connection);
    assert_non_null(sr->conn);

    sr->message = dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_CALL);
    assert_non_null(sr->message);
    dbus_message_set_serial(sr->message, 1);

    sr->client = client;

    return sr;
}

void ifp_test_req_create(void **state)
{
    struct ifp_req *ireq;
    struct sbus_request *sr;
    struct ifp_ctx *ifp_ctx;
    errno_t ret;

    assert_true(leak_check_setup());

    ifp_ctx = mock_ifp_ctx(global_talloc_context);
    assert_non_null(ifp_ctx);
    check_leaks_push(ifp_ctx);

    sr = mock_sbus_request(ifp_ctx, geteuid());
    assert_non_null(sr);
    check_leaks_push(sr);

    ret = ifp_req_create(sr, ifp_ctx, &ireq);
    assert_int_equal(ret, EOK);
    talloc_free(ireq);

    assert_true(check_leaks_pop(sr) == true);
    talloc_free(sr);

    assert_true(check_leaks_pop(ifp_ctx) == true);
    talloc_free(ifp_ctx);

    assert_true(leak_check_teardown());
}

void ifp_test_req_wrong_uid(void **state)
{
    struct ifp_req *ireq;
    struct sbus_request *sr;
    struct ifp_ctx *ifp_ctx;
    errno_t ret;

    assert_true(leak_check_setup());

    ifp_ctx = mock_ifp_ctx(global_talloc_context);
    assert_non_null(ifp_ctx);
    check_leaks_push(ifp_ctx);

    sr = mock_sbus_request(ifp_ctx, geteuid()+1);
    assert_non_null(sr);

    ret = ifp_req_create(sr, ifp_ctx, &ireq);
    assert_int_equal(ret, EACCES);
    talloc_free(sr);

    assert_true(check_leaks_pop(ifp_ctx) == true);
    talloc_free(ifp_ctx);

    assert_true(leak_check_teardown());
}

void test_path_prefix(void **state)
{
    const char *prefix = "foo";

    assert_non_null(ifp_path_strip_prefix("foobar", prefix));
    assert_null(ifp_path_strip_prefix("notfoo", prefix));
}

void test_el_to_dict(void **state)
{
    static struct sbus_request *sr;
    dbus_bool_t dbret;
    DBusMessageIter iter;
    DBusMessageIter iter_dict;
    struct ldb_message_element *el;
    errno_t ret;
    char *attr_name;
    char *attr_val;

    sr = mock_sbus_request(global_talloc_context, geteuid());
    assert_non_null(sr);

    el = talloc(sr, struct ldb_message_element);
    assert_non_null(el);
    el->name = "numbers";
    el->values = talloc_array(el, struct ldb_val, 2);
    assert_non_null(el->values);
    el->num_values = 2;
    el->values[0].data = (uint8_t *) discard_const("one");
    el->values[0].length = strlen("one") + 1;
    el->values[1].data = (uint8_t *) discard_const("two");
    el->values[1].length = strlen("two") + 1;

    dbus_message_iter_init_append(sr->message, &iter);
    dbret = dbus_message_iter_open_container(
                                      &iter, DBUS_TYPE_ARRAY,
                                      DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
                                      DBUS_TYPE_STRING_AS_STRING
                                      DBUS_TYPE_VARIANT_AS_STRING
                                      DBUS_DICT_ENTRY_END_CHAR_AS_STRING,
                                      &iter_dict);
    assert_true(dbret == TRUE);

    ret = ifp_add_ldb_el_to_dict(&iter_dict, el);
    assert_int_equal(ret, EOK);

    dbret = dbus_message_iter_close_container(&iter, &iter_dict);
    assert_true(dbret == TRUE);

    /* Test the reply contains what we expect */
    dbus_message_iter_init(sr->message, &iter);
    assert_int_equal(dbus_message_iter_get_arg_type(&iter),
                     DBUS_TYPE_ARRAY);
    dbus_message_iter_recurse(&iter, &iter);
    assert_int_equal(dbus_message_iter_get_arg_type(&iter),
                     DBUS_TYPE_DICT_ENTRY);

    dbus_message_iter_recurse(&iter, &iter_dict);
    dbus_message_iter_get_basic(&iter_dict, &attr_name);
    assert_string_equal(attr_name, "numbers");

    dbus_message_iter_next(&iter_dict);
    assert_int_equal(dbus_message_iter_get_arg_type(&iter_dict),
                     DBUS_TYPE_VARIANT);
    dbus_message_iter_recurse(&iter_dict, &iter_dict);
    assert_int_equal(dbus_message_iter_get_arg_type(&iter_dict),
                     DBUS_TYPE_ARRAY);

    dbus_message_iter_recurse(&iter_dict, &iter_dict);
    dbus_message_iter_get_basic(&iter_dict, &attr_val);
    assert_string_equal(attr_val, "one");
    assert_true(dbus_message_iter_next(&iter_dict));
    dbus_message_iter_get_basic(&iter_dict, &attr_val);
    assert_string_equal(attr_val, "two");
    assert_false(dbus_message_iter_next(&iter_dict));
}

int main(int argc, const char *argv[])
{
    poptContext pc;
    int opt;
    struct poptOption long_options[] = {
        POPT_AUTOHELP
        SSSD_DEBUG_OPTS
        POPT_TABLEEND
    };

    const UnitTest tests[] = {
        unit_test(ifp_test_req_create),
        unit_test(ifp_test_req_wrong_uid),
        unit_test(test_path_prefix),
        unit_test(test_el_to_dict),
    };

    /* Set debug level to invalid value so we can deside if -d 0 was used. */
    debug_level = SSSDBG_INVALID;

    pc = poptGetContext(argv[0], argc, argv, long_options, 0);
    while((opt = poptGetNextOpt(pc)) != -1) {
        switch(opt) {
        default:
            fprintf(stderr, "\nInvalid option %s: %s\n\n",
                    poptBadOption(pc, 0), poptStrerror(opt));
            poptPrintUsage(pc, stderr, 0);
            return 1;
        }
    }
    poptFreeContext(pc);

    DEBUG_INIT(debug_level);

    /* Even though normally the tests should clean up after themselves
     * they might not after a failed run. Remove the old db to be sure */
    tests_set_cwd();

    return run_tests(tests);
}